Automation System
What is the difference between integral and derivative control?

derivative control does not eliminate offset error
All of these
integral control has slower response to an error signal.
None of these
derivative control responds to a change in the rate of change in the error signal

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Automation System
The SKETCHPAD system

is expensive because it is sophisticated and make demands on the power and resources of the computer.
is used for interactive Graphics
consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
All of these
None of these

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